H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 1/10 (2006.01) H04Q 7/32 (2006.01)
Patent
CA 2536983
The invention relates to a wire-winding device for earphones, especially for a hands free kit for mobile phones. The wire-winding device comprises a wire-winding unit (50) with a rotary cylindrical wire-winding body (20) for winding up an earphone wire which is pretensioned in a direction of rotation in which the earphone wire will continue to be wound onto the wire-winding body (20) and a housing (1, 45; 60, 65) for accommodation of the wire-winding unit (50) with the wound up earphone wire and the pretensioned wire-winding body (20). To enable the easy replacement of an earphone or earphone wire, the wire- winding unit (50) is designed according to the invention such that the earphone wire is replaceable with the wire-winding body (20) pretensioned. The wire-winding unit is removed from a housing or the housing is opened in order to replace an earphone. A wire clamping area is then freely accessible from which an earphone wire can be removed after unwinding and can be replaced with a different earphone wire. The wire-winding body is locked in the completely unwound state to prevent unintentional rewinding.
Kirby Eades Gale Baker
Wegner Harald
LandOfFree
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